10033305021 has 12 divisors (see below), whose sum is σ = 15345054972. Its totient is φ = 6295406976.

The previous prime is 10033305017. The next prime is 10033305049. The reversal of 10033305021 is 12050333001.

10033305021 is a `hidden beast` number, since 100 + 33 + 30 + 502 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9079421796 + 953883225 = 95286^2 + 30885^2 .

It is not a de Polignac number, because 10033305021 - 2² = 10033305017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10033304985 and 10033305003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10033305001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32788426 + ... + 32788731.

It is an arithmetic number, because the mean of its divisors is an integer number (1278754581).

Almost surely, 2^10033305021 is an apocalyptic number.

It is an amenable number.

10033305021 is a deficient number, since it is larger than the sum of its proper divisors (5311749951).

10033305021 is a wasteful number, since it uses less digits than its factorization.

10033305021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65577180 (or 65577177 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

Adding to 10033305021 its reverse (12050333001), we get a palindrome (22083638022).

The spelling of 10033305021 in words is "ten billion, thirty-three million, three hundred five thousand, twenty-one".